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6X Plastic Abacus Arithmetic Abacus Kids Calculation Tool 17 Digits 6 x Abacus black & brown
Abacus style abacus plastic frame 17 digits A bead above and four beads below Give concrete visual representation of numbers by beads A very useful tool in general mathematics education The abacus also called a counting frame is a calculating tool...
$19.79 Delivery: $2.00
